The Solar Step
Must 3600VA / 3600W 24V MPPT 100A Hybrid Solar Inverter Pure Sine Wave
Must 3600VA / 3600W 24V MPPT 100A Hybrid Solar Inverter Pure Sine Wave
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Must 3.6kW 100A 24V MPPT Solar Hybrid Inverter – PV1800 ECO
Reliable Off-Grid & Hybrid Power Solution
The Must PV1800 ECO 3.6kW Hybrid Inverter is a versatile, multi-function power system that integrates an inverter, MPPT solar charge controller, and battery charger into a compact unit. Designed for off-grid and hybrid applications, it ensures uninterrupted power supply by intelligently managing solar energy, AC utility, and battery storage.
With a high PV input voltage capacity (up to 400V/450V/500V), this inverter maximizes solar energy utilization and can even operate without a battery, making it a flexible and cost-effective energy solution.
Key Features:
- Pure Sine Wave Output: Delivers stable, high-quality power for sensitive electronics.
- Smart LCD Display: Allows easy configuration of working modes, charge current, and voltage settings.
- Built-in MPPT Solar Charge Controller: Maximizes solar power conversion efficiency.
- Wide PV Input Voltage Range: Supports higher solar voltage for increased flexibility.
- Battery-Free Operation: Can supply power to connected loads directly from solar panels.
- Smart Load Management: Dual output system for prioritizing critical loads.
- Advanced Protection: Overload, short circuit, and deep discharge protection.
- Cold Start Function: Allows startup without grid power.
- Remote Monitoring: Supports RS485 and CAN communication for lithium battery integration.
Technical Specifications:
Inverter Mode:
- Rated Power (Main + Second Load): 3600VA / 3600W
- DC Input Voltage: 24VDC, 135A
- AC Output Voltage: 230VAC, 50/60Hz, 15.7A
- Power Factor: 1.0
AC Charger Mode:
- AC Input Voltage: 230VAC, 50/60Hz, 17.7A
- DC Output Voltage: 24VDC, 60A
Solar Charger Mode:
- Maximum MPPT Charge Current: 100A
- MPPT Voltage Range (Typical): 30-320VDC
- Maximum PV Input Voltage (VOC): 400VDC
- Maximum PV Input Current: 18A
- Maximum MPPT Power: 4000W
- Maximum Charge Current: 100A
What’s in the Box:
- 1 × Must 3.6kW 24V MPPT Hybrid Inverter
- 1 × User Manual
Warranty:
- 1-Year Manufacturer Warranty
Installation & Warranty Requirements:
- Professional Installation Required: Must be installed by a qualified electrical wireman or master electrician registered with the Department of Labour.
- Compliance Certification: A valid Certificate of Compliance (COC) must be issued upon installation.
- Warranty Conditions: Warranty claims require installation photos, a valid COC, and proof of installation by a qualified professional. Claims without these documents may be rejected.
This high-efficiency hybrid inverter is an ideal choice for those looking for a reliable, scalable, and smart solar power solution.
Let customers speak for us
from 167 reviewsI will always prefer solar step, I have ordered solar and they have arrived quickly and they’re working properly. I will always recommend solar step to everyone and hoping to call again soon
Great service. The product itself is quite fancy with lots of options to select. I am very impressed. Money well spent
I must admit I was very nervous buying online again after a 3 month battle with Solar Butler. But you have restored my faith in online shopping your service was very efficient and dilivery was before the said date. Great job guys.
Working great on my inverter. Will recommend it to anyone that is struggling with the same brand inverter. Fast delivery also
I just want to say your service is very very good and your priceing thank you very much
Exited to have received my battery. Will be installing it Today. Never go wrong The Solar Step, reliable and have good customer services
10/10 service assistance. Both on call and via WhatsApp. Professional and efficient.
+ Products delivered on time . Special thanks to Keishendra .
Very happy with the amazing service offered by Solar Step .
Keep it up . And may your business prosper tenfold 🎉
Best service ever, I got my ME51100SE delivered so quick, thank you for your service
Very happy about the service received
Service was fast and efficient. Battery arrived within two days of placing the order.
Thus was just an oder to replace the battery in my inverter, but I was impressed enough that I would use them again when the need arises.
Best service ever, fast delivery. Technically supportive, am extremely happy with the service and the product.
I write reviews on every product I buy. The GenXair 24000btu is more than what they could described.
It's an excellent unit delivering above expectations.
How long it will last and the aftersales service we will see in time.
First impressions is above average.
A must have for every DBboard
Great innovation
Great products
Still waiting for the power to trip. I know its a weird ask, but would like to test the system and see what it has to offer.

Thus far ,this inverter is one of the better ones available,I had an Ohai 4 kKw for two weeks blew IGBT's and very noisy on Rf spectrum,this Must inverter is silent not a lot of fan noise and just great quality all round,very pleased with it
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